Growing Shipbuilding Industry will positively impact of the global auxiliary marine engine market at a CAGR of 5% during the forecast period 2023 to 2030

Market Research Future (MRFR) has published a cooked research report on the “global auxiliary marine engine market” that contains the information from 2019 to 2030.

 The Auxiliary Marine Engine market is estimated to register a CAGR of 5% during the forecast period of 2023 to 2030.

MRFR recognizes the following companies as the key players in the global Auxiliary Marine Engine market— Caterpillar Inc., Mitsubishi Heavy Industries Ltd., Wärtsilä Corporation, MAN Energy Solutions SE, Cummins Inc., Rolls-Royce Holdings plc, Volvo Penta, and Yanmar Co., Ltd.

Market Highlights

The global Auxiliary Marine Engine market is accounted for to register a CAGR of 5% during the forecast period and is estimated to reach USD 26530.52 million by 2030.

The shipbuilding industry is experiencing a remarkable surge on a global scale, resulting in a significant rise in the demand for marine auxiliary engines. This unprecedented growth in shipbuilding is primarily driven by the increasing need for new vessels and the replacement of aging ships. Consequently, the demand for marine auxiliary engines has substantially boosted, which play a vital role in powering various types of ships. The thriving shipbuilding sector can be attributed to several factors. Firstly, there is an escalating demand for new ships worldwide. As international trade continues to expand and economies flourish, there is a growing requirement for vessels that can efficiently transport goods across oceans. Industries such as oil and gas, container shipping, bulk carriers, and cruise liners heavily rely on new ships to meet operational needs. Consequently, shipbuilders are under pressure to construct cutting-edge vessels that enhance efficiency, reduce fuel consumption, and comply with stringent environmental regulations.

Secondly, replacing old ships significantly contributes to the shipbuilding industry's growth. As ships age, their operational efficiency decreases, and maintenance costs soar. Additionally, stringent regulations on emissions and safety standards necessitate the retirement of older vessels that no longer comply with the latest requirements. Shipowners and operators must invest in modern, technologically advanced ships to remain competitive and ensure compliance with international regulations. This trend further fuels the demand for marine auxiliary engines, as new ships require reliable and efficient propulsion systems.

In the shipbuilding industry, marine auxiliary engines are indispensable components that serve multiple functions on board vessels. These engines generate electrical power, provide essential services, and support the main propulsion system. Marine auxiliary engines are typically used in various ships, including merchant vessels, naval ships, offshore platforms, and fishing boats.

One of the primary functions of marine auxiliary engines is to generate electrical power on board ships. The electricity produced is crucial for operating essential equipment and systems, such as lighting, communication systems, navigation instruments, refrigeration units, and cargo handling machinery. Without a reliable electricity source, a ship's operation and safety would be compromised. Hence, the demand for marine auxiliary engines continues to grow, as the shipbuilding industry strives to meet the increasing power requirements of modern vessels.

Furthermore, marine auxiliary engines provide critical support to the main propulsion system of ships. In large vessels, multiple engines are employed to power the main propulsion system, and marine auxiliary engines are utilized to provide backup power, emergency propulsion, or manoeuvring capabilities. These engines ensure ships can navigate safely and maintain their course even in challenging situations, such as engine failures or adverse weather conditions. As the size and complexity of ships increase, the demand for reliable and efficient marine auxiliary engines becomes even more pronounced.

Moreover, marine auxiliary engines are pivotal in meeting environmental regulations and sustainability goals. The shipping industry faces mounting pressure to reduce emissions of pollutants, such as sulfur oxides (SOx), nitrogen oxides (NOx), and particulate matter. Marine auxiliary engines with advanced emission control technologies enable ship operators to comply with these regulations and minimize their environmental footprint. The demand for environmentally friendly marine auxiliary engines, capable of reducing emissions and improving fuel efficiency, is growing as stricter environmental standards are implemented.

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Segment Analysis

The global Auxiliary Marine Engine market has been segmented based on Power Range, Fuel, Vessel and Application, and Region.

The global Auxiliary Marine Engine Market segmentation, based on Power Range has been segmented into segmented into 350 HP, 350 to 650 HP and 650 to 1000 HP. Among these, the 350 to 650 HP of Auxiliary Marine Engine is projected to dominate the global Auxiliary Marine Engine market revenue through the projected period. Marine auxiliary engines in the power range of 350 to 650 horsepower are commonly found in medium-sized vessels and certain larger boats. These engines are at the core of providing standby power to such shipboard operations as generation of electricity, powering hydraulic systems, and driving pumps. A good example would be the 350 HP model, which would be fitted onto a medium-sized fishing vessel or a yacht to deliver adequate power to run onboard equipment such as refrigeration, lighting, and navigation gear-reliably. However, 650 horsepower engines would apply more suitably in vessels of greater displacement, such as supply boats and small cargo ships, which need additional power to control more complex systems and higher loads. They are often designed with weight, strength, and efficiency for the attainment of high reliability and fuel efficiency under changing marine conditions. They normally come equipped with turbocharging and intercooling technologies for better performance and lower emissions.

In Fuel segment, the market is categorized into Diesel and Gas. The Gas segment is dominant the largest market share than Diesel segment in the Auxiliary Marine Engine industry. The demand for gas marine auxiliary engines has steadily increased in recent years due to several factors. One of the key drivers of this demand is the growing emphasis on environmental sustainability and the need to reduce emissions in the maritime industry. Another factor driving the demand for gas marine auxiliary engines is the potential for cost savings. Although gas engines may have a higher upfront cost than diesel engines, they offer significant operational cost savings over the long term. Natural gas prices are generally more stable and less volatile than oil prices, which can result in reduced fuel costs and improved financial performance for shipping companies. Advancements in gas engine technology, including improved efficiency and reliability, have boosted their popularity among marine industry stakeholders. Gas engines have become more compact, lightweight, and efficient, allowing greater power output and energy efficiency. These advancements have made gas marine auxiliary engines a viable and attractive option for a wide range of marine applications, including auxiliary power generation, propulsion systems, and onboard electricity supply.

In Vessel segment, the market is categorized into Passenger Cruise, Auto Carrier, General Cargo and Others. The dominant market share in the Auxiliary Marine Engine industry is expected to be held by the Passenger Cruise and the second dominant segment is Auto Carrier. Marine auxiliary engines are basically the backbone of the operational work and amenities of every passenger cruise ship. They usually power electrical generation within the vessel and drive the internal systems of the vessel and equipment. Their main purpose is to generate electrical power for use in lighting, air conditioning, and water purifying systems and other important amenities. They also maintain important systems like propulsion thrusters that help in steering the ship and in docking ship movements. Auxiliary engines used can be either diesel-electric or a combination of diesel engines and generators depending on the design of the ship. Advanced cruise ships typically have integrated power management systems that ensure efficiency and reduce fuel consumption. The balancing of the load between the standby engines and the propulsion engines is attainable by the systems, which make power available on demand, resulting in minimum operational costs.

In Application segment, the market is categorized into Commercial Boat, Fishing Boat, Security Boat and Recreation Boat. The dominant market share in the Auxiliary Marine Engine industry is expected to be held by the Recreation Boat and the second dominant segment is Commercial Boat. Marine auxiliary engines provide power and support systems for various onboard functions in recreational boat applications. They are typically compact, lightweight, and fuel-efficient, ensuring optimal performance while minimizing space and energy consumption. These engines often have advanced features such as electronic controls, automatic start-stop functions, and noise reduction technologies to enhance their usability and user experience. Furthermore, the reliability and durability of marine auxiliary engines are of utmost importance, as they are expected to operate seamlessly in various marine conditions and withstand the corrosive effects of saltwater. Regular maintenance and service are essential to ensure these engines' longevity and efficient performance.

Regional Analysis

By Region, the Auxiliary Marine Engine market is segmented into North America, Europe, Asia-Pacific, Middle East & Africa, and South America. The South America Auxiliary Marine Engine market holds the considerable market share and is also forecasted to hold the largest share during the forecast period.  With its extensive coastline and abundant natural resources, South America has a thriving maritime industry that relies heavily on auxiliary engines for various applications. Exploration and production activities in these offshore fields require specialized vessels with advanced auxiliary engines to power drilling operations, offshore platforms, and subsea equipment. Furthermore, stringent environmental regulations have influenced South America's marine auxiliary engine market. The maritime industry has a growing emphasis on reducing emissions and improving fuel efficiency. As a result, there has been a shift towards cleaner and more efficient auxiliary engines that comply with stricter environmental standards. This has driven the region's demand for technologies such as low-emission engines, hybrid systems, and alternative fuels.

Key Findings of the Study

• The global Auxiliary Marine Engine market is expected to reach 26530.52 million by 2030, at a CAGR of 5% during the forecast period.


• The South America region accounted for the fastest-growing global market.


• Based on Power Range, the 350 to 650 HP segment was attributed to holding the largest market in 2022.


• Based on Fuel, the Gas segment was attributed to holding the largest market in 2022.


• Based on Vessel, the Passenger Cruise segment was attributed to holding the largest market in 2022.


• Based on Application, the Recreation Boat segment was attributed to holding the largest market in 2022.


• Caterpillar Inc., Mitsubishi Heavy Industries Ltd., Wärtsilä Corporation, MAN Energy Solutions SE, Cummins Inc., Rolls-Royce Holdings plc, Volvo Penta, and Yanmar Co., Ltd. are the key market players.